"In a famous television commercial, a singer's voice is played on a speaker beside a nearby
glass, which shatters when she hits a specific note in the song. Explain why this happens."
Every object has unique frequency of vibration called natural frequency.when the the frequency of singer’s voice matches with the natural frequency of the glass the amplitude of vibration of glass become so large that it shatters the glass. When the natural frequency of objects matches with the external frequency the objects is said to be at resonance.
"In a famous television commercial, a singer's voice is played on a speaker beside a nearby...